package com.itheima.mapper;

import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {
    //传统的分页
//    @Select("select * from emp limit #{begin},#{pageSize}")
//    List<Emp> page(int begin, Integer pageSize);
//
//    @Select("select count(*) from emp")
//    Long count();

    // 下面使用 插件完成的
//    @Select("select * from emp")  动态查询用 xml
    List<Emp> page(String name, Short gender, LocalDate begin, LocalDate end);
     // 批量删除 用foreach
    void delete(Integer[] ids);

    @Insert("insert into emp (username,name,gender,image,job,entrydate,dept_id,create_time,update_time)" +
            "  values   (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime}) ")
    void add(Emp emp);

    @Select("select * from emp where id=#{id}")
    Emp getById(Integer id);

    void update(Emp emp);

    @Select("select * from emp where username=#{username} and password=#{password}")
    Emp getByUsernameAndPassword(Emp emp);

    @Delete("delete from emp where dept_id=#{id}")
    void deleteByDeptId(Integer id);//id是部门id
}
